./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b7e15211580ea4e53f751b22847dfea4720c9dc42574c861d991d991eb47919b --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:51:42,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:51:42,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2025-03-17 19:51:42,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:51:42,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:51:42,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2025-03-17 19:51:42,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:51:42,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:51:42,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:51:42,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:51:42,865 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:51:42,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:51:42,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:51:42,865 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:51:42,865 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-03-17 19:51:42,865 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-03-17 19:51:42,865 INFO L153 SettingsManager]: * Use old map elimination=false [2025-03-17 19:51:42,865 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-03-17 19:51:42,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:51:42,866 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:51:42,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:51:42,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:51:42,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:51:42,867 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-03-17 19:51:42,867 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7e15211580ea4e53f751b22847dfea4720c9dc42574c861d991d991eb47919b [2025-03-17 19:51:43,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:51:43,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:51:43,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:51:43,112 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:51:43,112 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:51:43,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-03-17 19:51:44,247 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/452cb9da6/7641cacf4ed1472da6f9c5c5e6cc6ce2/FLAG3c02fa0d3 [2025-03-17 19:51:44,451 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:51:44,451 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-03-17 19:51:44,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/452cb9da6/7641cacf4ed1472da6f9c5c5e6cc6ce2/FLAG3c02fa0d3 [2025-03-17 19:51:44,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/452cb9da6/7641cacf4ed1472da6f9c5c5e6cc6ce2 [2025-03-17 19:51:44,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:51:44,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:51:44,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:51:44,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:51:44,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:51:44,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b533ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44, skipping insertion in model container [2025-03-17 19:51:44,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:51:44,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:51:44,609 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:51:44,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:51:44,628 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:51:44,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44 WrapperNode [2025-03-17 19:51:44,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:51:44,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:51:44,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:51:44,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:51:44,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,646 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 53 [2025-03-17 19:51:44,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:51:44,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:51:44,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:51:44,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:51:44,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,657 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 19:51:44,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,660 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:51:44,666 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:51:44,666 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:51:44,666 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:51:44,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (1/1) ... [2025-03-17 19:51:44,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:44,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:44,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:44,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-03-17 19:51:44,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:51:44,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:51:44,762 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:51:44,765 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:51:44,854 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 19:51:44,854 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:51:44,860 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:51:44,861 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 19:51:44,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:51:44 BoogieIcfgContainer [2025-03-17 19:51:44,861 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:51:44,862 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-03-17 19:51:44,862 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-03-17 19:51:44,866 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-03-17 19:51:44,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:51:44,866 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.03 07:51:44" (1/3) ... [2025-03-17 19:51:44,867 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c16daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 07:51:44, skipping insertion in model container [2025-03-17 19:51:44,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:51:44,867 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:51:44" (2/3) ... [2025-03-17 19:51:44,868 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c16daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.03 07:51:44, skipping insertion in model container [2025-03-17 19:51:44,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-03-17 19:51:44,868 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:51:44" (3/3) ... [2025-03-17 19:51:44,872 INFO L363 chiAutomizerObserver]: Analyzing ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2025-03-17 19:51:44,903 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-03-17 19:51:44,904 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-03-17 19:51:44,904 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-03-17 19:51:44,904 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-03-17 19:51:44,904 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-03-17 19:51:44,904 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-03-17 19:51:44,904 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-03-17 19:51:44,904 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-03-17 19:51:44,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:51:44,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2025-03-17 19:51:44,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:51:44,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:51:44,920 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 19:51:44,920 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-03-17 19:51:44,920 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-03-17 19:51:44,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:51:44,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2025-03-17 19:51:44,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:51:44,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:51:44,923 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 19:51:44,923 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-03-17 19:51:44,929 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~LOCK~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_~got_lock~0#1, main_~old~0#1, main_~new~0#1;havoc main_~got_lock~0#1;main_~old~0#1 := 0;main_~new~0#1 := 0;havoc main_#t~nondet0#1;" "assume !(0 != main_#t~nondet0#1);havoc main_#t~nondet0#1;" [2025-03-17 19:51:44,929 INFO L754 eck$LassoCheckResult]: Loop: "assume true;assume { :begin_inline_lock } true;" "assume 0 == ~LOCK~0;~LOCK~0 := 1;" "assume { :end_inline_lock } true;main_~old~0#1 := main_~new~0#1;havoc main_#t~nondet4#1;" "assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;" "assume main_~new~0#1 != main_~old~0#1;" [2025-03-17 19:51:44,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:51:44,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2016, now seen corresponding path program 1 times [2025-03-17 19:51:44,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:51:44,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083442825] [2025-03-17 19:51:44,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:51:44,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:51:44,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:51:44,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:51:44,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:44,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:44,987 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:51:44,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:51:44,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:51:44,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:44,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:51:45,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:51:45,002 INFO L85 PathProgramCache]: Analyzing trace with hash 41926822, now seen corresponding path program 1 times [2025-03-17 19:51:45,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:51:45,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271172149] [2025-03-17 19:51:45,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:51:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:51:45,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 19:51:45,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 19:51:45,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:45,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:51:45,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:51:45,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:51:45,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271172149] [2025-03-17 19:51:45,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271172149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:51:45,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:51:45,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:51:45,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089395412] [2025-03-17 19:51:45,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:51:45,068 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-03-17 19:51:45,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:51:45,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:51:45,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:51:45,090 INFO L87 Difference]: Start difference. First operand has 23 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:51:45,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:51:45,114 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2025-03-17 19:51:45,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 34 transitions. [2025-03-17 19:51:45,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2025-03-17 19:51:45,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 26 transitions. [2025-03-17 19:51:45,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2025-03-17 19:51:45,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2025-03-17 19:51:45,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2025-03-17 19:51:45,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-03-17 19:51:45,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2025-03-17 19:51:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2025-03-17 19:51:45,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-03-17 19:51:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:51:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2025-03-17 19:51:45,140 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2025-03-17 19:51:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:51:45,143 INFO L432 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2025-03-17 19:51:45,143 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-03-17 19:51:45,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2025-03-17 19:51:45,144 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2025-03-17 19:51:45,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-03-17 19:51:45,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-03-17 19:51:45,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2025-03-17 19:51:45,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:51:45,145 INFO L752 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;~LOCK~0 := 0;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~post5#1, main_~got_lock~0#1, main_~old~0#1, main_~new~0#1;havoc main_~got_lock~0#1;main_~old~0#1 := 0;main_~new~0#1 := 0;havoc main_#t~nondet0#1;" "assume !(0 != main_#t~nondet0#1);havoc main_#t~nondet0#1;" [2025-03-17 19:51:45,145 INFO L754 eck$LassoCheckResult]: Loop: "assume true;assume { :begin_inline_lock } true;" "assume 0 == ~LOCK~0;~LOCK~0 := 1;" "assume { :end_inline_lock } true;main_~old~0#1 := main_~new~0#1;havoc main_#t~nondet4#1;" "assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;assume { :begin_inline_unlock } true;" "assume 1 == ~LOCK~0;~LOCK~0 := 0;" "assume { :end_inline_unlock } true;main_#t~post5#1 := main_~new~0#1;main_~new~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1;" "assume main_~new~0#1 != main_~old~0#1;" [2025-03-17 19:51:45,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:51:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2016, now seen corresponding path program 2 times [2025-03-17 19:51:45,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:51:45,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532064121] [2025-03-17 19:51:45,146 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:51:45,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:51:45,149 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:51:45,151 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:51:45,151 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 19:51:45,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,151 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:51:45,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-03-17 19:51:45,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-03-17 19:51:45,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:45,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:51:45,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:51:45,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1636943560, now seen corresponding path program 1 times [2025-03-17 19:51:45,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:51:45,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362161733] [2025-03-17 19:51:45,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:51:45,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:51:45,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:51:45,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:51:45,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:45,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,163 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:51:45,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 19:51:45,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 19:51:45,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:45,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:51:45,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:51:45,169 INFO L85 PathProgramCache]: Analyzing trace with hash 116520457, now seen corresponding path program 1 times [2025-03-17 19:51:45,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:51:45,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404985585] [2025-03-17 19:51:45,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:51:45,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:51:45,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 19:51:45,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 19:51:45,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:45,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,176 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 19:51:45,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-17 19:51:45,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-17 19:51:45,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:51:45,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 19:51:45,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 19:51:45,259 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 19:51:45,260 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 19:51:45,260 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 19:51:45,260 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 19:51:45,260 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 19:51:45,260 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,260 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 19:51:45,260 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 19:51:45,261 INFO L132 ssoRankerPreferences]: Filename of dumped script: HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c_Iteration2_Loop [2025-03-17 19:51:45,261 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 19:51:45,261 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 19:51:45,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,333 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 19:51:45,334 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 19:51:45,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-03-17 19:51:45,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-03-17 19:51:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-03-17 19:51:45,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 19:51:45,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,403 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,403 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~new~0#1=0} Honda state: {ULTIMATE.start_main_~new~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~new~0#1=3}, {ULTIMATE.start_main_~new~0#1=3}, {ULTIMATE.start_main_~new~0#1=-5}] Lambdas: [0, 1, 1] Nus: [1, 0] [2025-03-17 19:51:45,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:51:45,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-03-17 19:51:45,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,432 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,432 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-03-17 19:51:45,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-03-17 19:51:45,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,459 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,460 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~LOCK~0=0} Honda state: {~LOCK~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-03-17 19:51:45,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,467 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-03-17 19:51:45,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,482 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,482 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~old~0#1=0} Honda state: {ULTIMATE.start_main_~old~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-03-17 19:51:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-03-17 19:51:45,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-03-17 19:51:45,530 INFO L204 LassoAnalysis]: Preferences: [2025-03-17 19:51:45,530 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-03-17 19:51:45,530 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-03-17 19:51:45,530 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-03-17 19:51:45,530 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-03-17 19:51:45,531 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,531 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-03-17 19:51:45,531 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-03-17 19:51:45,531 INFO L132 ssoRankerPreferences]: Filename of dumped script: HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c_Iteration2_Lasso [2025-03-17 19:51:45,531 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-03-17 19:51:45,531 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-03-17 19:51:45,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-03-17 19:51:45,616 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-03-17 19:51:45,617 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-03-17 19:51:45,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,619 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-03-17 19:51:45,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,633 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,633 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-03-17 19:51:45,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,641 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-03-17 19:51:45,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,656 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,657 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-03-17 19:51:45,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,664 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-03-17 19:51:45,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,676 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,676 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2025-03-17 19:51:45,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,684 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-03-17 19:51:45,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,696 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,697 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-03-17 19:51:45,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,704 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-03-17 19:51:45,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,717 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,717 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-03-17 19:51:45,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,725 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-03-17 19:51:45,727 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,727 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,738 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,738 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~LOCK~0=0} Honda state: {~LOCK~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-03-17 19:51:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,745 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-03-17 19:51:45,764 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,764 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~got_lock~0#1=0} Honda state: {ULTIMATE.start_main_~got_lock~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-03-17 19:51:45,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,772 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-03-17 19:51:45,775 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,775 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,785 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,785 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~old~0#1=0} Honda state: {ULTIMATE.start_main_~old~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-03-17 19:51:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,792 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-03-17 19:51:45,794 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,794 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,805 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,805 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-03-17 19:51:45,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,812 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-03-17 19:51:45,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-03-17 19:51:45,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,832 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-03-17 19:51:45,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-03-17 19:51:45,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,860 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,860 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~new~0#1=0} Honda state: {ULTIMATE.start_main_~new~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~new~0#1=3}, {ULTIMATE.start_main_~new~0#1=3}, {ULTIMATE.start_main_~new~0#1=-5}] Lambdas: [0, 1, 1] Nus: [1, 0] [2025-03-17 19:51:45,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-03-17 19:51:45,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-03-17 19:51:45,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:51:45,868 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-03-17 19:51:45,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-03-17 19:51:45,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-03-17 19:51:45,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-03-17 19:51:45,880 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-03-17 19:51:45,880 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=0} Honda state: {ULTIMATE.start_main_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-03-17 19:51:45,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-03-17 19:51:45,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,898 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,899 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,900 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,900 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,900 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,900 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,900 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,900 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,901 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,901 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,901 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,902 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,905 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2025-03-17 19:51:45,906 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2025-03-17 19:51:45,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.03 07:51:45 BoogieIcfgContainer [2025-03-17 19:51:45,906 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-03-17 19:51:45,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 19:51:45,907 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 19:51:45,907 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 19:51:45,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:51:44" (3/4) ... [2025-03-17 19:51:45,909 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2025-03-17 19:51:45,911 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2025-03-17 19:51:45,911 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: The program execution was not completely translated back. [2025-03-17 19:51:45,929 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 19:51:45,929 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 19:51:45,930 INFO L158 Benchmark]: Toolchain (without parser) took 1441.65ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 101.6MB in the end (delta: 13.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2025-03-17 19:51:45,930 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:51:45,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.53ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 104.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:51:45,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.18ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:51:45,931 INFO L158 Benchmark]: Boogie Preprocessor took 18.18ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 19:51:45,931 INFO L158 Benchmark]: IcfgBuilder took 195.53ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 91.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:51:45,931 INFO L158 Benchmark]: BuchiAutomizer took 1044.34ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 104.5MB in the end (delta: -12.7MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2025-03-17 19:51:45,931 INFO L158 Benchmark]: Witness Printer took 22.79ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 101.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 19:51:45,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.53ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 104.4MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.18ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.18ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 195.53ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 91.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1044.34ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 104.5MB in the end (delta: -12.7MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Witness Printer took 22.79ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 101.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~nondet0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf89 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 14 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 46]: Nontermination argument in form of an infinite program execution. [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,941 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,942 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet1 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet4 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet3 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2025-03-17 19:51:45,943 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~nondet0 Nontermination argument in form of an infinite execution State at position 0 is {got_lock=0, new=0, \result=0, old=0, LOCK=0} State at position 1 is {got_lock=0, new=0, \result=0, old=0, LOCK=0} For i>1, the state at position i is {got_lock=0 + sum_{k=0}^i 0, new=0 + sum_{k=0}^i 3*0^k + 3 + 3*k*0^(k-1) + -5, \result=0 + sum_{k=0}^i 0, old=0 + sum_{k=0}^i 0, LOCK=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [0, 1, 1] Mus: [1, 0] - NonterminatingLassoResult [Line: 46]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int LOCK; [L32] int got_lock; [L33] int old = 0, new = 0; [L34] COND FALSE !(__VERIFIER_nondet_int()) Loop: [L53] COND TRUE new != old [L47] CALL lock() [L16] COND TRUE LOCK == 0 [L17] LOCK = 1 [L47] RET lock() [L48] old = new [L49] COND TRUE __VERIFIER_nondet_int() [L50] CALL unlock() [L24] COND TRUE LOCK == 1 [L25] LOCK = 0 [L50] RET unlock() [L51] new++ [L53] COND TRUE new != old End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2025-03-17 19:51:45,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)